Global Patent Index - EP 2022987 A1

EP 2022987 A1 20090211 - Impeller and method of producing the same

Title (en)

Impeller and method of producing the same

Title (de)

Laufrad und Herstellungsverfahren dafür

Title (fr)

Turbine et son procédé de fabrication

Publication

EP 2022987 A1 20090211 (EN)

Application

EP 07014819 A 20070727

Priority

EP 07014819 A 20070727

Abstract (en)

A method of producing an impeller by forming an impeller blank (100) and subsequently machining the impeller blank (100), characterised in that at least two dissimilar materials are joined in the impeller blank (100) before the machining.

IPC 8 full level

F04D 29/02 (2006.01); F04D 29/22 (2006.01); F04D 29/28 (2006.01)

CPC (source: EP)

B23K 15/0093 (2013.01); B23K 26/32 (2013.01); B23K 26/323 (2015.10); B23P 15/006 (2013.01); F01D 5/34 (2013.01); F04D 29/023 (2013.01); F04D 29/284 (2013.01); B23K 2103/10 (2018.07); B23K 2103/14 (2018.07); F05D 2230/233 (2013.01); F05D 2230/234 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 2022987 A1 20090211; WO 2009015974 A1 20090205

DOCDB simple family (application)

EP 07014819 A 20070727; EP 2008058497 W 20080702